HDFS-15947. Replace deprecated protobuf APIs (#2856)

diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc
index 8f6e77a..c0e1018 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc
@@ -56,7 +56,7 @@
 
   std::string buf;
 
-  int size = msg->ByteSize();
+  const auto size = msg->ByteSizeLong();
   buf.reserve(pbio::CodedOutputStream::VarintSize32(size) + size);
   pbio::StringOutputStream ss(&buf);
   pbio::CodedOutputStream os(&ss);
@@ -68,9 +68,9 @@
   return buf;
 }
 
-int DelimitedPBMessageSize(const ::google::protobuf::MessageLite *msg) {
-  size_t size = msg->ByteSize();
-  return ::google::protobuf::io::CodedOutputStream::VarintSize32(size) + size;
+size_t DelimitedPBMessageSize(const ::google::protobuf::MessageLite *msg) {
+  const auto size = msg->ByteSizeLong();
+  return ::google::protobuf::io::CodedOutputStream::VarintSize64(size) + size;
 }
 
 std::shared_ptr<std::string> GetRandomClientName() {
diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.h b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.h
index 140f66e..45cd68a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.h
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.h
@@ -47,7 +47,7 @@
 
 // Determine size of buffer that needs to be allocated in order to serialize msg
 // in delimited format
-int DelimitedPBMessageSize(const ::google::protobuf::MessageLite *msg);
+size_t DelimitedPBMessageSize(const ::google::protobuf::MessageLite *msg);
 
 // Construct msg from the input held in the CodedInputStream
 // return false on failure, otherwise return true
diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/request.cc b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/request.cc
index ecac2bc..99762c8 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/request.cc
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/request.cc
@@ -47,7 +47,7 @@
 static void AddHeadersToPacket(std::string *res,
                                std::initializer_list<const pb::MessageLite *> headers,
                                const std::string *payload) {
-  int len = 0;
+  size_t len = 0;
   std::for_each(
       headers.begin(), headers.end(),
       [&len](const pb::MessageLite *v) { len += DelimitedPBMessageSize(v); });
@@ -68,7 +68,7 @@
 
   std::for_each(
       headers.begin(), headers.end(), [&buf](const pb::MessageLite *v) {
-        buf = pbio::CodedOutputStream::WriteVarint32ToArray(v->ByteSize(), buf);
+        buf = pbio::CodedOutputStream::WriteVarint64ToArray(v->ByteSizeLong(), buf);
         buf = v->SerializeWithCachedSizesToArray(buf);
       });
 
@@ -78,13 +78,13 @@
 }
 
 static void ConstructPayload(std::string *res, const pb::MessageLite *header) {
-  int len = DelimitedPBMessageSize(header);
+  const auto len = DelimitedPBMessageSize(header);
   res->reserve(len);
   pbio::StringOutputStream ss(res);
   pbio::CodedOutputStream os(&ss);
   uint8_t *buf = os.GetDirectBufferForNBytesAndAdvance(len);
   assert(buf);
-  buf = pbio::CodedOutputStream::WriteVarint32ToArray(header->ByteSize(), buf);
+  buf = pbio::CodedOutputStream::WriteVarint64ToArray(header->ByteSizeLong(), buf);
   buf = header->SerializeWithCachedSizesToArray(buf);
 }
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/rpc_connection_impl.cc b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/rpc_connection_impl.cc
index a5de92e..5d434ef 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/rpc_connection_impl.cc
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/rpc/rpc_connection_impl.cc
@@ -36,7 +36,7 @@
 static void AddHeadersToPacket(
     std::string *res, std::initializer_list<const pb::MessageLite *> headers,
     const std::string *payload) {
-  int len = 0;
+  size_t len = 0;
   std::for_each(
       headers.begin(), headers.end(),
       [&len](const pb::MessageLite *v) { len += DelimitedPBMessageSize(v); });
@@ -57,7 +57,7 @@
 
   std::for_each(
       headers.begin(), headers.end(), [&buf](const pb::MessageLite *v) {
-        buf = pbio::CodedOutputStream::WriteVarint32ToArray(v->ByteSize(), buf);
+        buf = pbio::CodedOutputStream::WriteVarint64ToArray(v->ByteSizeLong(), buf);
         buf = v->SerializeWithCachedSizesToArray(buf);
       });
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/remote_block_reader_test.cc b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/remote_block_reader_test.cc
index 4843da9..ccec581 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/remote_block_reader_test.cc
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/remote_block_reader_test.cc
@@ -119,7 +119,7 @@
   res.reserve(hdfs::DelimitedPBMessageSize(msg));
   pbio::StringOutputStream os(&res);
   pbio::CodedOutputStream out(&os);
-  out.WriteVarint32(msg->ByteSize());
+  out.WriteVarint64(msg->ByteSizeLong());
   msg->SerializeToCodedStream(&out);
   return res;
 }
@@ -141,9 +141,9 @@
   *reinterpret_cast<unsigned *>(prefix) =
       htonl(data.size() + checksum.size() + sizeof(int32_t));
   *reinterpret_cast<short *>(prefix + sizeof(int32_t)) =
-      htons(proto.ByteSize());
+      htons(static_cast<uint16_t>(proto.ByteSizeLong()));
   std::string payload(prefix, sizeof(prefix));
-  payload.reserve(payload.size() + proto.ByteSize() + checksum.size() +
+  payload.reserve(payload.size() + proto.ByteSizeLong() + checksum.size() +
                   data.size());
   proto.AppendToString(&payload);
   payload += checksum;
diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/rpc_engine_test.cc b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/rpc_engine_test.cc
index 931f873..caf4842 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/rpc_engine_test.cc
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/rpc_engine_test.cc
@@ -88,9 +88,9 @@
 static inline std::pair<boost::system::error_code, string> RpcResponse(
     const RpcResponseHeaderProto &h, const std::string &data,
     const boost::system::error_code &ec = boost::system::error_code()) {
-  uint32_t payload_length =
-      pbio::CodedOutputStream::VarintSize32(h.ByteSize()) +
-      pbio::CodedOutputStream::VarintSize32(data.size()) + h.ByteSize() +
+  const auto payload_length =
+      pbio::CodedOutputStream::VarintSize64(h.ByteSizeLong()) +
+      pbio::CodedOutputStream::VarintSize64(data.size()) + h.ByteSizeLong() +
       data.size();
 
   std::string res;
@@ -99,9 +99,9 @@
 
   buf = pbio::CodedOutputStream::WriteLittleEndian32ToArray(
       htonl(payload_length), buf);
-  buf = pbio::CodedOutputStream::WriteVarint32ToArray(h.ByteSize(), buf);
+  buf = pbio::CodedOutputStream::WriteVarint64ToArray(h.ByteSizeLong(), buf);
   buf = h.SerializeWithCachedSizesToArray(buf);
-  buf = pbio::CodedOutputStream::WriteVarint32ToArray(data.size(), buf);
+  buf = pbio::CodedOutputStream::WriteVarint64ToArray(data.size(), buf);
   buf = pbio::CodedOutputStream::WriteStringToArray(data, buf);
 
   return std::make_pair(ec, std::move(res));